Large memory issues on 4-STABLE

Clive Lin clive at tongi.org
Mon Sep 15 10:50:12 PDT 2003


On Sat, Sep 13, 2003 at 12:39:40PM +0200, Irvine Short wrote:
> Given what David says though, why do I have a problem with MySQL getting
> thread errors with MAXDSIZ 2048 or greater?

The larger you set MAXDSIZ, the less VM is available for mmap().

Quoted from 
http://www.freebsd.org/cgi/mid.cgi?id=200212242312.gBONCjqD044717@apollo.backplane.com

yup, pthread_create in FreeBSD is implemented by mmap().

No, I do not know how to fix it. Leave the MAXDSIZ untouched is the
best strategy.

Clive


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